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Diffstat (limited to '')
-rw-r--r-- | src/jaegertracing/thrift/lib/java/test/org/apache/thrift/TestOptionType.java | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/java/test/org/apache/thrift/TestOptionType.java b/src/jaegertracing/thrift/lib/java/test/org/apache/thrift/TestOptionType.java new file mode 100644 index 000000000..f70285ffa --- /dev/null +++ b/src/jaegertracing/thrift/lib/java/test/org/apache/thrift/TestOptionType.java @@ -0,0 +1,66 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.thrift; + +import junit.framework.TestCase; +import org.apache.thrift.Option; + +// Tests and documents behavior for the "Option<T>" type +public class TestOptionType extends TestCase { + public void testSome() throws Exception { + String name = "Chuck Norris"; + Option<String> option = Option.fromNullable(name); + + assertTrue(option instanceof Option.Some); + assertTrue(option.isDefined()); + assertEquals("Some(Chuck Norris)", option.toString()); + assertEquals(option.or("default value"), "Chuck Norris"); + assertEquals(option.get(),"Chuck Norris"); + } + + public void testNone() throws Exception { + String name = null; + Option<String> option = Option.fromNullable(name); + + assertTrue(option instanceof Option.None); + assertFalse(option.isDefined()); + assertEquals("None", option.toString()); + assertEquals(option.or("default value"), "default value"); + // Expect exception + try { + Object value = option.get(); + fail("Expected IllegalStateException, got no exception"); + } catch (IllegalStateException ex) { + + } catch(Exception ex) { + fail("Expected IllegalStateException, got some other exception: "+ex.toString()); + } + } + + public void testMakeSome() throws Exception { + Option<String> some = Option.some("wee"); + assertTrue(some instanceof Option.Some); + } + + public void testMakeNone() throws Exception { + Option<Integer> none = Option.none(); + assertTrue(none instanceof Option.None); + } +} |